package com.bt.springboot.demo.testquestions;

/**
 * @author zkx
 * @Date 2024/3/25 10:34
 */
public class Test3 {
	public static void exchange(Integer a,Integer b){
		Integer temp = a;
		a = b;
		b = temp;
	}

	public static void main(String[] args) {
		Integer a =1;
		Integer b =2;
		exchange(a,b);
		System.out.println(a);
	}
}
